Honeywell RTHL3550D Manuals

Table of Contents

• 2

  Installation Is Easy
• 3

  Turn Off Power to Heating/Cooling System
• 4

  Remove Old Thermostat
• 5

  Label Wires with Tags
• 5

  Wire Labels
• 6

  Separate Wallplate From New Thermostat
• 7

  Mount Wallplate
• 8

  Connect Wires
• 9

  Install Batteries
• 10

  Install Thermostat Onto Wallplate
• 11

  Turn Power Back On
• 12

  Continue with Advanced Installation
• 13

  Advanced Installation
• 13

  Table of Contents
• 14

  System Setup
  • 15

    System Type
  • 16

    Heat Pump Changeover Valve
  • 17

    Heating Fan Control
  • 18

    Heating Cycle Rate
  • 19

    Stage 2 Heat Cycle Rate
  • 20

    Emergency Heat Cycle Rate
  • 21

    Manual/Auto Changeover
  • 22

    Temperature Display
  • 23

    Maximum Heat Setting
  • 24

    Minimum Cool Setting
  • 25

    Wiring—Conventional System
  • 26

    Wiring—Heat Pump
  • 26

    Connect Wires: Heat Pump
  • 27

    Alternate Wiring (For Heat Pumps Only)
  • 28

    Troubleshooting
• 29

  Troubleshooting
• 30

  Customer Assistance
• 31

  Limited Warranty